we need to protect their environment. we have a strict quarantine system to protect the integrity of the environment. forty years on, it's still a class-a nature reserve. it's our job to look after them. ...it's my job to look after it. ♪ >>> welcome back to nbc bay area. over the past two weeks, all the attention and deservedly so has been focused on the san francisco 49ers. while they were playing on football's biggest stage, the san jose sharks were putting on one heck of a show. let's go down to southern california. sharks visiting the ducks. up 1-0 in the third period. when could you ha when koivu off the boards. just under four minutes of play, sheldon drives in, deflected by the sharks. scott gomez. sharks fall 2-1 for the first regulation loss of the season. over to the 49ers, earlier today the 49ers land safely at san jose's unnational airport. and an army of faithful fans were there to show their support after the loss to the ravens in super bowl xlvii. by the way, super bowl xlvii odds today released have the